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Physics

Mechanics

Easy

Question

$straight A space smooth space tube space of space certain space mass space is space rotated space in space straight a space gravity minus free space space space and space released. space The space two space balls space shown space in space Fig. space move space towards space the space ends space of space the space tube. space For space the space whole space system comma space which space of space the space following space quantities space is space not space conserved$

$Angular momentum$
$linear momentum$
$Kinetic energy$
$Angular speed$

The correct answer is: $space Angular space speed space$

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